20334782135 has 8 divisors (see below), whose sum is σ = 25837135056. Its totient is φ = 15310894720.

The previous prime is 20334782093. The next prime is 20334782197. The reversal of 20334782135 is 53128743302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20334782135 - 2⁶ = 20334782071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119616281 + ... + 119616450.

It is an arithmetic number, because the mean of its divisors is an integer number (3229641882).

Almost surely, 2^20334782135 is an apocalyptic number.

20334782135 is a deficient number, since it is larger than the sum of its proper divisors (5502352921).

20334782135 is a wasteful number, since it uses less digits than its factorization.

20334782135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239232753.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 20334782135 in words is "twenty billion, three hundred thirty-four million, seven hundred eighty-two thousand, one hundred thirty-five".